Lecture 7 pigment printing

PIGMENT PRINTING ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BINDER ,[object Object],[object Object],[object Object],[object Object]

MECHANISM OF BINDING ,[object Object],[object Object],[object Object],[object Object]

CHOICE OF THICKENER ,[object Object],[object Object],[object Object],[object Object],[object Object]

EMULSION THICKENER ,[object Object],[object Object],[object Object],[object Object],[object Object]

PREPARATION OF OIL-IN-WATER EMULSION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EMULSION THICKENER ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

KEROSENE CONSUMPTION IN INDIA FOR PIGMENT PRINTING Pigment printed cloth production 5231 million sq m Kerosene consumption 136 million litres Kerosene evaporation in atmosphere 122 million litres Effect Air pollution Wastage of kerosene

KEROSENE RECOVERY The kerosene vapors are explosive in nature above 0.7% of concentration, thus, for safety reasons, the machine drier exhaust is maintained within 0.5% kerosene vapor level. Therefore, the recovery of this diluted vapor is a very difficult task. BTRA METHOD Devised a method for recovery of kerosene vapours from the dryer by using water cooling system Claim 80% kerosene recovery Plant was installed at Dhanlaxmi fabrics Ltd Near Mumbai Present status not known

SYNTHETIC THICKENER ,[object Object],[object Object],[object Object],[object Object],[object Object]

MECHANISM OF THICKENING ,[object Object],[object Object],[object Object],[object Object],[object Object]

SYNTHETIC THICKENER ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PREPARATION OF THICKENER PASTE ,[object Object],[object Object],[object Object],[object Object]

PRINT PASTE COMPOSITION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MERITS AND DEMERITS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lecture 7 pigment printing

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Lecture 7 pigment printing